diff --git a/src/ripple/json/impl/to_string.cpp b/src/ripple/json/impl/to_string.cpp
index f610a06b13..6182f4b7d2 100644
--- a/src/ripple/json/impl/to_string.cpp
+++ b/src/ripple/json/impl/to_string.cpp
@@ -29,4 +29,9 @@ std::string to_string (Value const& value)
     return FastWriter ().write (value);
 }
 
+std::string pretty (Value const& value)
+{
+    return StyledWriter().write (value);
+}
+
 } // namespace Json
diff --git a/src/ripple/json/to_string.h b/src/ripple/json/to_string.h
index 04834df1e4..cf093e2125 100644
--- a/src/ripple/json/to_string.h
+++ b/src/ripple/json/to_string.h
@@ -30,6 +30,9 @@ class Value;
 /** Writes a Json::Value to an std::string. */
 std::string to_string (Value const&);
 
+/** Writes a Json::Value to an std::string. */
+std::string pretty (Value const&);
+
 /** Output using the StyledStreamWriter. @see Json::operator>>(). */
 std::ostream& operator<< (std::ostream&, const Value& root);